
public class Test {
    public static void main(String[] args) {

//        Student s1 = new Student(1906081030, "黄纪元");
//
//        System.out.println(Student.nationality);
//        s1.setNum(1010104);
//        System.out.println(s1.getNum());
//        System.out.println(s1.getName());
//        java.util.Date date = new java.util.Date();
//        System.out.println(date.getTime());


        System.out.printl;

    }
}
